Round 1: Print BST keys in the given range [solved using recursion - follow up remove recursion] - 15 min LP (4 questions)
Round 2: Questions on python slicing, python libraries, OOP of string to int library - 30 min LP (5 questions)
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Round 3: longest substring with non-repeating characters - 20 min LP (3 questions)
Round 4: System design - scale authentication-authorization requests pipelines for third party vendors - 30 min LP (3 questions)
Round 5: 60 min LP (10 questions) "out of examples to talk about - lost in my own thoughts"